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Microscope Notes

Microscope Notes. YouTube Amazing Microscopic Images. Learning Objectives. Identify various microscope parts and state the function for each part. Demonstrate the proper way to carry a microscope. Robert Hooke (1665).

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Microscope Notes

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  1. Microscope Notes

  2. YouTubeAmazing Microscopic Images

  3. Learning Objectives • Identify various microscope parts and state the function for each part. • Demonstrate the proper way to carry a microscope.

  4. Robert Hooke (1665) Described the cellular structure of cork. First to describe the structures as “cells”

  5. Anton van Leeuwenhoek(late 1600s) Improved lenses, discovered “animacules” and bacteria

  6. Matthias Schleiden (1838) Discovered that plant parts are made of cells

  7. Theodor Schwann (1839) Discovered that animal parts are made of cells

  8. Rudolph Virchow (1855) All cells arise from pre-existing cells

  9. Microscope An instrument with one or more lenses that makes an enlarged image of an object.

  10. Calculating Total Magnification Ocular Lens MagnificationXObjective Lens Magnification

  11. Microscope Parts Ocular lens Objective lens

  12. YouTubeHow to Focus a Microscope

  13. DemoHow to Carry a Microscope

  14. Steps for Focusing the Microscope Place slide under the stage clips on stage Turn to lowest (4X) objective lens Turn on light First, focus with coarse adjustment Second, focus with fine adjustment Change to middle (10X) objective lens Repeat step 5 only Change to high (40X) objective lens Focus with fine adjustment

  15. Stop Here

  16. Important Cell Scientists

  17. Cell Theory • All living things are made up of cells • Cells are the basic units of structure and function • All cell arise from preexisting cells

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